Question # 1

Above of mass 50 kg is raised to a height of 3m. what is its P.E

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500 J

1000 J

1500 J

2000 J

The speed of light is equal to:

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3 x 10⁵ ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10²ms^-1

The unit of work is :

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J

N

Ns

m

The ability of body to do work is called:

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Power

Energy

Work

Efficiency

Which quantity is scalar?

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Force

Power

Velocity

Torque

P.E is equal to:

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mgh

1/2 mv²

W x F

None of these

_____________ can neither be created nor be destroyed.

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Light

Force

Energy

Weight

Work is zero when "F" and "S" will be:

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Parallel

Perpendicular

Anti parallel

Tangent

Einstein's mass-energy equation is

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E = mc

E = mc2

E = 2mc

E = m2c

The tendency of doing work is called :

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Time

Energy

Force

Area

The large unit of work is:

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Kilowatt

Kilo joul

Mega joul

Both B and C

The work done will be zero when the angle between the force and the displacement is:

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45°

60°

90°

180°

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Physics 9th Class English Medium Unit 6 Online Test MCQs With Answers

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